The Missouri state House advanced a new congressional map Tuesday targeting the district of one of the state’s two Democrats, the latest escalation in tit-for-tat partisan gerrymandering in states ahead of next year’s midterm elections.

The 90-65 vote makes Missouri the second GOP-controlled state to advance a map targeting Democratic-held seats, after Texas’ legislature passed one earlier this summer aiming to make as many as five Democrats vulnerable. California’s legislature has advanced a retaliatory measure targeting five GOP-held seats, when last month it passed legislation to put a new map on the ballot this fall.

The Missouri House map now goes to the state Senate, which is expected to pass it and send it to Republican Gov. Mike Kehoe before the end of the week.

The map would

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